盈余持續(xù)性及其對股價影響的實證研究
[Abstract]:In real life, the key to the sustainability of enterprise production and operation is the sustainability of profitability, and the sustainability of accounting earnings is one of the most important indicators to determine the sustainability of profitability. One of the contents of this paper is about the influence of different earnings components on earnings persistence, and then the effect of earnings persistence on stock price. Before studying these problems, the background of the research is introduced briefly, and the research problems and purposes of this paper are introduced, and the new research ideas and the research methods combining normative and empirical are also introduced. Secondly, this paper reviews the research on earnings persistence at home and abroad. Then, under the new accounting standards, this paper selects the data of Shenzhen and Shanghai listed companies from 2007 to 2011, and makes an empirical study on earnings persistence and its influence on stock price. In this paper, we first use the time series model of linear autoregressive to study the persistence of different surplus parts, then decompose the net income, and discuss whether the decomposed earnings can explain the forecast ability of the next year's net profit. It is found that the operating profit has the best persistence in the earnings component, and the ability of explaining the decomposition information to the next year's net income is slightly decreased after the net profit is divided into different surplus items. This shows that net profit is the strongest in the forecast for next year's net profit and finds that non-operating profit has little explanatory power. On this basis, this paper also studies the effect of earnings persistence on stock price. It is found that there is a significant positive correlation between stock price and earnings persistence, and then operating profit is divided into accrual profit and cash surplus. It is found that the correlation between cash surplus and stock price is stronger than that between accrual profit and stock price, and the decomposition of operating profit can provide information increment for investors.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:F275;F832.51
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